Rivers and Dam Reservoirs MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Rivers and Dam Reservoirs, a fundamental topic in the field of Irrigation Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Rivers and Dam Reservoirs MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Rivers and Dam Reservoirs mcq questions that explore various aspects of Rivers and Dam Reservoirs problems. Each MCQ is crafted to challenge your understanding of Rivers and Dam Reservoirs principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Irrigation Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Rivers and Dam Reservoirs MCQs are your pathway to success in mastering this essential Irrigation Engineering topic.

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Rivers and Dam Reservoirs MCQs | Page 18 of 19

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Q171.
Calculate peak discharge for a combined catchment of a tank forming a constituent unit of a group with the following given data –

Combined catchment = 26 sq. km
Intercepted catchment = 20 sq. km
Ryve’s coefficient for combined catchment = 9.0
Ryve’s coefficient intercepted = 1.8

a.

66 cumecs

b.

59 cumecs

c.

50 cumecs

d.

69 cumecs

Discuss
Answer: (a).66 cumecs
Q172.
What is the approximate value of Ryve’s coefficient for combined catchment having limited areas near hills?

a.

6.5

b.

8.5

c.

10.2

d.

Up to 40

Discuss
Answer: (c).10.2
Q173.
The reservoir capacity cannot exceed the catchment yield.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q174.
With the reduction in reservoir capacity over the passage of time, the trap efficiency ___________

a.

increases

b.

decreases

c.

remains unaffected

d.

may increase or decrease depending upon the reservoir characteristics

Discuss
Answer: (b).decreases
Q175.
Trap efficiency of a storage reservoir is defined as the ratio of ___________________

a.

total annual sediment inflow to the reservoir capacity

b.

total sediment deposited in a given period to the total sediment inflow in that period

c.

total annual sediment deposited in the reservoir to the dead storage capacity of the reservoir

d.

reservoir capacity to the total annual sediment

Discuss
Answer: (b).total sediment deposited in a given period to the total sediment inflow in that period
Q176.
Capacity inflow ratio for a storage reservoir is defined as the ratio of _______________________

a.

reservoir capacity to the average annual flood inflow

b.

reservoir capacity to the average annual sediment inflow

c.

the dead storage capacity of the reservoir to the average annual sediment deposited

d.

total annual sediment inflow to the reservoir capacity

Discuss
Answer: (a).reservoir capacity to the average annual flood inflow
Q177.
The capacity-inflow ratio for a reservoir _________________

a.

is a constant factor overtime

b.

increases with time

c.

decreases with time

d.

may increase or decrease with time

Discuss
Answer: (c).decreases with time
Q178.
A sequent peak algorithm is a plot between __________________

a.

Accumulated flow v/s time

b.

Discharge v/s time

c.

(Cumulative Inflow – Cumulative Outflow) v/s time

d.

Mass outflow v/s time

Discuss
Answer: (d).Mass outflow v/s time
Q179.
A flow duration curve is a curve plotted between ________________

a.

Accumulated flow v/s time

b.

Discharge v/s time

c.

(Cumulative Inflow – Cumulative Outflow) v/s time

d.

Streamflow v/s Percent of time the flow is equaled or exceeded

Discuss
Answer: (d).Streamflow v/s Percent of time the flow is equaled or exceeded
Q180.
A steep slope of the flow duration curve indicates a stream with _________________

a.

highly variable discharge

b.

small variability of flow

c.

considerable base flow

d.

large flood plains

Discuss
Answer: (a).highly variable discharge
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